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SU(1,1)场与Λ型三能级原子非共振相互作用的量子动力学

Quantum Dynamics of SU(1,1)Coherent States Interacting Non-resonantly with a Λ-type Three-level Atom

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摘要

研究了Kerr介质中双模SU(1,1)相干态场与Λ型三能级原子非共振相互作用系统中场模失谐量、克尔介质以及原子初态对原子布居概率和场的Cauchy-Schwartz不等式的影响.结果表明:失谐量将延长原子Rabi振荡崩塌与复苏的周期,并使两模关联趋于恒定的非经典相关;Kerr效应将增强光场的非经典相关的稳定性,缩短原子Rabi振荡崩塌与复苏的周期;原子初始状态明显影响两模间的非经典相关程度,而对原子布居概率的影响不明显.

Abstract

The influences of detuning, Kerr medium and initial atomic coherence on the atomic population and Cauchy-Schwartz inequality in the system of SU(1,1) coherent states interacting non-resonantly with a A-type three-level atom with Kerr medium are investigated. The results show that the detuning lengthens the cycle of collapse-and-reclairn of the atomic Rabi oscillation and induces steady nonclassical correlation. Kerr effects make the nonclassical correlation properties steady and shorten the cycle of collapse-and-revival of the atomic Rabi oscillation. The initial atomic coherence affects obviously on the nonclassical coherence degree between the two mode cavities, while the influence on the atomic population is not evident.

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中图分类号:O431.2

所属栏目:量子光学

收稿日期:2002-05-08

修改稿日期:2002-06-13

网络出版日期:2003-02-01

作者单位    点击查看

谢芳森:江西师范大学物理与通信电子学院,南昌,330027
刘小青:江西师范大学物理与通信电子学院,南昌,330027
陈明玉:江西师范大学物理与通信电子学院,南昌,330027南昌陆军学院物理教研室,南昌,330103

备注:谢芳森 (1961-),男,副教授,1983年毕业于华东师范大学物理系,现主要从事光电子学、介观物理和量子光学的教学和研究.

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引用该论文

谢芳森,刘小青,陈明玉. Quantum Dynamics of SU(1,1)Coherent States Interacting Non-resonantly with a Λ-type Three-level Atom[J]. Chinese Journal of Quantum Electronics, 2003, 20(1): 73-79

谢芳森,刘小青,陈明玉. SU(1,1)场与Λ型三能级原子非共振相互作用的量子动力学[J]. 量子电子学报, 2003, 20(1): 73-79

被引情况

【1】钟淑英,谢芳森. 类Kerr介质中双模SU(1,1)相干态场与四能级原子相互作用中光场的量子统计性质. 量子电子学报, 2004, 21(5): 615-621

【2】卢道明. 级联型三能级原子与单模光场耦合系统中的场量子特性. 量子光学学报, 2010, 16(1): 32-35

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